How To Fix /SAPAPO/OM_ERROR289 - Calendar resource cannot yet be used

SAP Error Message - Details

• Message type: E = Error

• Message class: /SAPAPO/OM_ERROR -

• Message number: 289

• Message text: Calendar resource cannot yet be used

Self-Explanatory Message

Since SAP believes that this specific error message is 'self-explanatory,' no more information has been given.The majority of messages in the SAP system have a message text, however this is frequently insufficient to comprehend or resolve the problem.

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Smart SAP Assistant

• What is the cause and solution for SAP error message /SAPAPO/OM_ERROR289 - Calendar resource cannot yet be used ?

  The SAP error message /SAPAPO/OM_ERROR289 indicates that a calendar resource cannot yet be used in the context of Advanced Planning and Optimization (APO). This error typically arises when there is an issue with the configuration or availability of the calendar resource that is being referenced in a planning scenario.
  Cause:
  
  Calendar Not Active: The calendar resource may not be activated or is not yet available for the planning period you are trying to use it for.
  Incorrect Configuration: The calendar may not be properly configured in the system, leading to it being unavailable for the required operations.
  Time Period Issues: The time period for which the resource is being requested may not align with the active periods defined in the calendar.
  Resource Status: The resource may be in a status that does not allow it to be used (e.g., it may be marked as inactive).
  
  Solution:
  
  Check Calendar Activation: Ensure that the calendar resource is activated for the relevant planning period. You can do this by navigating to the calendar settings in the SAP system and verifying its status.
  Review Configuration: Go to the configuration settings for the calendar resource and ensure that all necessary parameters are correctly set. This includes checking the validity periods and any associated settings.
  Adjust Time Periods: If the planning request is for a specific time period, ensure that this period is covered by the active calendar. You may need to adjust the planning horizon or the calendar settings accordingly.
  Resource Status Check: Verify the status of the resource in the system. If it is inactive, you may need to change its status to active.
  Consult Documentation: Refer to SAP documentation or help resources for specific details on how to manage calendar resources in APO.
  
  Related Information:
  
  Transaction Codes: You may need to use transaction codes like /SAPAPO/RES01 (Resource Overview) or /SAPAPO/SCM1 (Supply Chain Management) to check the status and configuration of resources.
  SAP Notes: Check for any relevant SAP Notes that may address known issues or provide additional guidance on this error.
  Support: If the issue persists after checking the above points, consider reaching out to your SAP support team or consulting with SAP experts for further assistance.
  
  By following these steps, you should be able to identify the cause of the error and implement the necessary solutions to resolve it.